package lab02.test19;

public class Test {
        public static void main(String[] args) {
            //19、 	编写一个程序，实现字符串的大小写转换
            // 并倒序输出，如输入为“HelloWord”，输出为“DROwOLLEH”。
            StringBuffer stringBuffer = new StringBuffer();

            String result = "HelloWord";

            for (int i = 0; i < result.length(); i++) {
                char chars = result.charAt(result.length() - i - 1);

                if (chars >= 'A' && chars <= 'Z') {
                    stringBuffer.append((char) (chars + 32));
                } else if (chars >= 'a' && chars <= 'z') {
                    stringBuffer.append((char) (chars - 32));
                }
            }
            System.out.println(stringBuffer.toString());

        }
    }

